About Asilus sericeus Say, 1823
Asilus sericeus Say, 1823 is a species of robber fly belonging to the family Asilidae. Its larvae are 18 to 20 millimeters long and live underground. Adult Asilus sericeus catch their prey while in flight. Unlike many other members of the Asilidae family, this species has not been reported feeding on bees or wasps.